Module: Mesa
Branch: master
Commit: 8c692ff5125b322bbfff84c93f7798b1b94a379e
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=8c692ff5125b322bbfff84c93f7798b1b94a379e

Author: Samuel Pitoiset <[email protected]>
Date:   Thu Jul 18 10:14:07 2019 +0200

radv/gfx10: move emitting VGT_PRIMITIVEID_EN into the NGG path

And do not emit VGT_GS_MODE which is unnecessary on GFX10.

Signed-off-by: Samuel Pitoiset <[email protected]>

---

 src/amd/vulkan/radv_pipeline.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 9338fcd550a..b11d79f4811 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -3274,18 +3274,15 @@ radv_pipeline_generate_vgt_gs_mode(struct radeon_cmdbuf 
*ctx_cs,
        unsigned vgt_primitiveid_en = 0;
        uint32_t vgt_gs_mode = 0;
 
+       if (radv_pipeline_has_ngg(pipeline))
+               return;
+
        if (radv_pipeline_has_gs(pipeline)) {
                const struct radv_shader_variant *gs =
                        pipeline->shaders[MESA_SHADER_GEOMETRY];
 
                vgt_gs_mode = ac_vgt_gs_mode(gs->info.gs.vertices_out,
                                             
pipeline->device->physical_device->rad_info.chip_class);
-       } else if (radv_pipeline_has_ngg(pipeline)) {
-               bool enable_prim_id =
-                       outinfo->export_prim_id || vs->info.info.uses_prim_id;
-
-               vgt_primitiveid_en |= S_028A84_PRIMITIVEID_EN(enable_prim_id) |
-                                     
S_028A84_NGG_DISABLE_PROVOK_REUSE(enable_prim_id);
        } else if (outinfo->export_prim_id || vs->info.info.uses_prim_id) {
                vgt_gs_mode = S_028A40_MODE(V_028A40_GS_SCENARIO_A);
                vgt_primitiveid_en |= S_028A84_PRIMITIVEID_EN(1);
@@ -3425,6 +3422,8 @@ radv_pipeline_generate_hw_ngg(struct radeon_cmdbuf 
*ctx_cs,
        uint64_t va = radv_buffer_get_va(shader->bo) + shader->bo_offset;
        gl_shader_stage es_type =
                radv_pipeline_has_tess(pipeline) ? MESA_SHADER_TESS_EVAL : 
MESA_SHADER_VERTEX;
+       struct radv_shader_variant *es =
+               es_type == MESA_SHADER_TESS_EVAL ? 
pipeline->shaders[MESA_SHADER_TESS_EVAL] : 
pipeline->shaders[MESA_SHADER_VERTEX];
 
        radeon_set_sh_reg_seq(cs, R_00B320_SPI_SHADER_PGM_LO_ES, 2);
        radeon_emit(cs, va >> 8);
@@ -3441,6 +3440,8 @@ radv_pipeline_generate_hw_ngg(struct radeon_cmdbuf 
*ctx_cs,
        bool misc_vec_ena = outinfo->writes_pointsize ||
                outinfo->writes_layer ||
                outinfo->writes_viewport_index;
+       bool es_enable_prim_id = outinfo->export_prim_id ||
+                                (es && es->info.info.uses_prim_id);
        bool break_wave_at_eoi = false;
        unsigned nparams;
 
@@ -3479,6 +3480,10 @@ radv_pipeline_generate_hw_ngg(struct radeon_cmdbuf 
*ctx_cs,
                               cull_dist_mask << 8 |
                               clip_dist_mask);
 
+       radeon_set_context_reg(ctx_cs, R_028A84_VGT_PRIMITIVEID_EN,
+                              S_028A84_PRIMITIVEID_EN(es_enable_prim_id) |
+                              
S_028A84_NGG_DISABLE_PROVOK_REUSE(es_enable_prim_id));
+
        bool vgt_reuse_off = pipeline->device->physical_device->rad_info.family 
== CHIP_NAVI10 &&
                             
pipeline->device->physical_device->rad_info.chip_external_rev == 0x1 &&
                             es_type == MESA_SHADER_TESS_EVAL;

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